Equipment selection and capacity planning method for integrated energy system considering electric heating gas coupling

Abstract

An equipment selection and capacity planning method for an integrated energy system considering electric heating gas coupling is disclosed. The method comprises: inputting relevant parameters of all pieces of equipment according to the types of equipment to be selected in the integrated energy system of a park; establishing an integrated energy system equipment selection and capacity planning model according to input parameters, including establishing various energy conversion equipment models and corresponding operational constraints with the minimum annual system comprehensive cost as the objective function, and considering the power balance constraint of the integrated energy system; based on the historical data of electricity, heat and cold load in the park, performing solving by adopting a mixed integer linear programming method according to the integrated energy system equipment selection and capacity planning model, to obtain an equipment selection and capacity planning scheme,an annual comprehensive cost, and electricity and gas consumptions. The planning scheme obtained by the method can significantly reduce the annual comprehensive cost of the system, achieve multi-energy complementarity, and improve the energy utilization.

Description

technical field [0001] The invention relates to a comprehensive energy system equipment type selection and capacity planning method. In particular, it relates to a comprehensive energy system equipment selection and capacity planning method considering the coupling of electricity, heat and gas. Background technique [0002] As people pay more and more attention to energy and environmental issues, how to improve energy utilization efficiency and minimize environmental pollution caused by energy use has become an important topic of widespread concern in China. The integrated energy system integrates refrigeration, heating and power generation. It can not only improve the utilization rate of primary energy through energy cascade utilization, but also show great advantages in reducing emissions. Therefore, the integrated energy system has become an important development trend of future energy technology, and its planning and operation issues have become a research hotspot. Whe...

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Problems solved by technology

In addition, the existing research does not consider enough the coupling between energy sources. The coupling analysis between energy sources is mostly focused on qualitative discussions, lacking quantitative analysis, and it is difficult to accurately evaluate the complementary benefits brought by multi-energy coupling during system operation.

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